Return TitleType.UNKNOWN instead of null
Return TitleType.UNKNOWN instead of null

EdwardNewK/libbluray,EdwardNewK/libbluray,ShiftMediaProject/libbluray,tourettes/libbluray,ShiftMediaProject/libbluray,ace20022/libbluray,vlc-mirror/libbluray,Azzuro/libbluray,EdwardNewK/libbluray,ace20022/libbluray,mwgoldsmith/bluray,Distrotech/libbluray,ace20022/libbluray,vlc-mirror/libbluray,ace20022/libbluray,UIKit0/libbluray,UIKit0/libbluray,mwgoldsmith/bluray,koying/libbluray,vlc-mirror/libbluray,Distrotech/libbluray,Azzuro/libbluray,tourettes/libbluray,EdwardNewK/libbluray,koying/libbluray,UIKit0/libbluray,mwgoldsmith/bluray,mwgoldsmith/bluray,Distrotech/libbluray,Azzuro/libbluray,vlc-mirror/libbluray,ShiftMediaProject/libbluray,ShiftMediaProject/libbluray,koying/libbluray,UIKit0/libbluray,Azzuro/libbluray,tourettes/libbluray,tourettes/libbluray,koying/libbluray,Distrotech/libbluray